Answered: An experiment has been conducted to…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Question

An experiment has been conducted to investigate the effects of carbon monixide in the breathing capability of human. The claim was breathing frequency is higher in the presence of CO. The data shows the result of the experiment (see picture). Assume that the breathing frequency is approximately normal.

a) What should be the good hypotheses for this problem?

b) At 0.05 level, what is the critical region?

c) What is the t-value/z-score?

d) Is the claim true at 0.05 level?

Breathing Frequency
(Breaths taken per minute)
Subject
With CO
Without CO
30
30
45
40
3
26
25
4.
25
23
34
30
6
51
49
7.
46
41
32
35
9
30
28

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